horn·blende /-ˌblɛnd/
角閃石
Horn·blende n. Min. The common black, or dark green or brown, variety of amphibole. (See Amphibole.) It belongs to the aluminous division of the species, and is also characterized by its containing considerable iron. Also used as a general term to include the whole species.
Hornblende schist Geol., a hornblende rock of schistose structure.
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hornblende
n : a green to black mineral of the amphibole group; consists of
silicates of calcium and sodium and magnesium and iron